Index: Linux-PAM-1.5.1/modules/pam_succeed_if/pam_succeed_if.c
===================================================================
--- Linux-PAM-1.5.1.orig/modules/pam_succeed_if/pam_succeed_if.c
+++ Linux-PAM-1.5.1/modules/pam_succeed_if/pam_succeed_if.c
@@ -391,6 +391,7 @@ evaluate(pam_handle_t *pamh, int debug,
 	if (strcasecmp(qual, "notingroup") == 0) {
 		return evaluate_notingroup(pamh, user, right);
 	}
+#ifdef HAVE_INNETGR
 	/* (Rhost, user) is in this netgroup. */
 	if (strcasecmp(qual, "innetgr") == 0) {
 		const void *rhost;
@@ -405,6 +406,7 @@ evaluate(pam_handle_t *pamh, int debug,
 			rhost = NULL;
 		return evaluate_notinnetgr(pamh, rhost, user, right);
 	}
+#endif
 	/* Fail closed. */
 	return PAM_SERVICE_ERR;
 }